#include<bits/stdc++.h>
using namespace std;
#define For(i,a,b) for(int i=(a);i<=(b);i++)
typedef long long ll;
const int N=100005;
int a[N],n,m;
void Main()
{
    scanf("%d%d",&n,&m);
    int cnt=0;
    For(i,1,n)scanf("%d",a+i),cnt+=a[i]==0;
    m-=cnt;
    if(m+cnt==n){printf("Richman\n"); return;}
    if(m<0){printf("Impossible\n"); return;}
    ll s=0; cnt=0;
    For(i,1,n)
        if(a[i]>0)
        {
            cnt++;
            if(cnt<=m+1)s+=a[i];
        }
    printf("%lld\n",s-1);
}
int main()
{
    int t;
    scanf("%d",&t);
    while(t--)Main();
}